Contract 0x7049ce73DFEe27d84a9DBBB8136aD570D67d27F7

 
 
Txn Hash
Method
Block
From
To
Value
0x7eb391bab858dd17000d4843e7fc8e4f1750228327ab8d0df697425d5295cce80x60e06040158402032022-10-27 15:07:5992 days 13 hrs agoGearbox Protocol: Deployer IN  Contract Creation0 Ether0.00944756 19.15111192
[ Download CSV Export 
View more zero value Internal Transactions in Advanced View mode
Loading

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x824327a504fc574eC406a00eB02D9971518159cE

Contract Name:
UniversalAdapter

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 1000000 runs

Other Settings:
default evmVersion
File 1 of 9 : UniversalAdapter.sol
// SPDX-License-Identifier: BUSL-1.1
// Gearbox Protocol. Generalized leverage for DeFi protocols
// (c) Gearbox Holdings, 2022
pragma solidity ^0.8.10;

import { IUniversalAdapter, RevocationPair } from "../interfaces/adapters/IUniversalAdapter.sol";
import { AdapterType } from "../interfaces/adapters/IAdapter.sol";
import { ICreditManagerV2 } from "../interfaces/ICreditManagerV2.sol";
import { ZeroAddressException } from "../interfaces/IErrors.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { UNIVERSAL_CONTRACT } from "../libraries/Constants.sol";

/// @title UniversalAdapter
/// @dev Implements the initial version of universal adapter, which handles allowance revocations
contract UniversalAdapter is IUniversalAdapter {
    /// @dev The target contract, which is always the same special address for the universal adapter
    address public immutable targetContract = UNIVERSAL_CONTRACT;

    /// @dev The credit manager this universal adapter connects to
    ICreditManagerV2 public immutable override creditManager;

    /// @dev The credit facade attached to the credit manager
    address public immutable override creditFacade;

    AdapterType public constant _gearboxAdapterType = AdapterType.UNIVERSAL;
    uint16 public constant _gearboxAdapterVersion = 1;

    /// @dev Constructor
    /// @param _creditManager Address of the Credit Manager
    constructor(address _creditManager) {
        if (_creditManager == address(0)) revert ZeroAddressException();

        creditManager = ICreditManagerV2(_creditManager);
        creditFacade = ICreditManagerV2(_creditManager).creditFacade();
    }

    /// @dev Sets allowances to zero for the provided spender/token pairs, for msg.sender's CA
    /// @param revocations Pairs of spenders/tokens to revoke allowances for
    function revokeAdapterAllowances(RevocationPair[] calldata revocations)
        external
    {
        address creditAccount = creditManager.getCreditAccountOrRevert(
            msg.sender
        );

        _revokeAdapterAllowances(revocations, creditAccount);
    }

    /// @dev Sets allowances to zero for the provided spender/token pairs
    /// Checks that the msg.sender CA matches the expected account, since the
    /// Provided revocations can be specific to a particular CA
    /// @param revocations Pairs of spenders/tokens to revoke allowances for
    /// @param expectedCreditAccount Credit account that msg.sender is expected to have
    function revokeAdapterAllowances(
        RevocationPair[] calldata revocations,
        address expectedCreditAccount
    ) external {
        address creditAccount = creditManager.getCreditAccountOrRevert(
            msg.sender
        );

        if (creditAccount != expectedCreditAccount) {
            revert UnexpectedCreditAccountException(
                expectedCreditAccount,
                creditAccount
            );
        }

        _revokeAdapterAllowances(revocations, creditAccount);
    }

    /// @dev Internal implementation for allowance revocations
    /// Checks that there are no zero addresses in a pair and sets allowance to 1
    /// through CreditManager.approveCreditAccount
    /// @param revocations Pairs of spenders/tokens to revoke allowances for
    /// @param creditAccount Credit account to revoke allowances for
    function _revokeAdapterAllowances(
        RevocationPair[] calldata revocations,
        address creditAccount
    ) internal {
        uint256 numRevocations = revocations.length;

        for (uint256 i; i < numRevocations; ) {
            address spender = revocations[i].spender;
            address token = revocations[i].token;

            if (spender == address(0) || token == address(0)) {
                revert ZeroAddressException();
            }

            uint256 allowance = IERC20(token).allowance(creditAccount, spender);

            if (allowance > 1) {
                creditManager.approveCreditAccount(
                    msg.sender,
                    spender,
                    token,
                    1
                );
            }

            unchecked {
                ++i;
            }
        }
    }

    /// @notice For demonstration purposes only. Not in V2 launch scope
    ///
    // function withdraw(address token, uint256 amount) external {
    //     address creditAccount = creditManager.getCreditAccountOrRevert(
    //         msg.sender
    //     );

    //     if (creditManager.tokenMasksMap(token) == 0)
    //         revert("Token contract is not allowed");

    //     creditManager.executeOrder(
    //         msg.sender,
    //         token,
    //         abi.encodeWithSelector(IERC20.transfer.selector, msg.sender, amount)
    //     );

    //     creditManager.fullCollateralCheck(creditAccount);
    // }
}

File 2 of 9 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 3 of 9 : IUniversalAdapter.sol
// SPDX-License-Identifier: MIT
// Gearbox Protocol. Generalized leverage for DeFi protocols
// (c) Gearbox Holdings, 2022
pragma solidity ^0.8.10;

import { IAdapter } from "./IAdapter.sol";

struct RevocationPair {
    address spender;
    address token;
}

interface IUniversalAdapterExceptions {
    /// @dev Thrown when the Credit Account of msg.sender does not match the provided expected account
    error UnexpectedCreditAccountException(address expected, address actual);
}

interface IUniversalAdapter is IAdapter, IUniversalAdapterExceptions {
    /// @dev Sets allowances to zero for provided spender/token pairs, for msg.sender's CA
    /// @param revocations Pairs of spenders/tokens to revoke allowances for
    function revokeAdapterAllowances(RevocationPair[] calldata revocations)
        external;

    /// @dev Sets allowances to zero for the provided spender/token pairs
    /// Checks that the msg.sender CA matches the expected account, since
    /// provided revocations are specific to a particular CA
    /// @param revocations Pairs of spenders/tokens to revoke allowances for
    /// @param expectedCreditAccount Credit account that msg.sender is expected to have
    function revokeAdapterAllowances(
        RevocationPair[] calldata revocations,
        address expectedCreditAccount
    ) external;
}

File 4 of 9 : IAdapter.sol
// SPDX-License-Identifier: MIT
// Gearbox Protocol. Generalized leverage for DeFi protocols
// (c) Gearbox Holdings, 2022
pragma solidity ^0.8.10;
import { ICreditManagerV2 } from "../ICreditManagerV2.sol";

enum AdapterType {
    ABSTRACT,
    UNISWAP_V2_ROUTER,
    UNISWAP_V3_ROUTER,
    CURVE_V1_EXCHANGE_ONLY,
    YEARN_V2,
    CURVE_V1_2ASSETS,
    CURVE_V1_3ASSETS,
    CURVE_V1_4ASSETS,
    CURVE_V1_STECRV_POOL,
    CURVE_V1_WRAPPER,
    CONVEX_V1_BASE_REWARD_POOL,
    CONVEX_V1_BOOSTER,
    CONVEX_V1_CLAIM_ZAP,
    LIDO_V1,
    UNIVERSAL,
    LIDO_WSTETH_V1
}

interface IAdapterExceptions {
    /// @dev Thrown when the adapter attempts to use a token
    ///      that is not recognized as collateral in the connected
    ///      Credit Manager
    error TokenIsNotInAllowedList(address);
}

interface IAdapter is IAdapterExceptions {
    /// @dev Returns the Credit Manager connected to the adapter
    function creditManager() external view returns (ICreditManagerV2);

    /// @dev Returns the Credit Facade connected to the adapter's Credit Manager
    function creditFacade() external view returns (address);

    /// @dev Returns the address of the contract the adapter is interacting with
    function targetContract() external view returns (address);

    /// @dev Returns the adapter type
    function _gearboxAdapterType() external pure returns (AdapterType);

    /// @dev Returns the adapter version
    function _gearboxAdapterVersion() external pure returns (uint16);
}

File 5 of 9 : IErrors.sol
// SPDX-License-Identifier: MIT
// Gearbox Protocol. Generalized leverage for DeFi protocols
// (c) Gearbox Holdings, 2022
pragma solidity ^0.8.10;

/// @dev Common contract exceptions

/// @dev Thrown on attempting to set an important address to zero address
error ZeroAddressException();

/// @dev Thrown on attempting to call a non-implemented function
error NotImplementedException();

/// @dev Thrown on attempting to set an EOA as an important contract in the system
error AddressIsNotContractException(address);

/// @dev Thrown on attempting to use a non-ERC20 contract or an EOA as a token
error IncorrectTokenContractException();

/// @dev Thrown on attempting to set a token price feed to an address that is not a
///      correct price feed
error IncorrectPriceFeedException();

/// @dev Thrown on attempting to call an access restricted function as a non-Configurator
error CallerNotConfiguratorException();

/// @dev Thrown on attempting to pause a contract as a non-Pausable admin
error CallerNotPausableAdminException();

/// @dev Thrown on attempting to pause a contract as a non-Unpausable admin
error CallerNotUnPausableAdminException();

error TokenIsNotAddedToCreditManagerException(address token);

File 6 of 9 : Constants.sol
// SPDX-License-Identifier: GPL-2.0-or-later
// Gearbox Protocol. Generalized leverage for DeFi protocols
// (c) Gearbox Holdings, 2022
pragma solidity ^0.8.10;

// Denominations

uint256 constant WAD = 1e18;
uint256 constant RAY = 1e27;

// 25% of type(uint256).max
uint256 constant ALLOWANCE_THRESHOLD = type(uint96).max >> 3;

// FEE = 50%
uint16 constant DEFAULT_FEE_INTEREST = 50_00; // 50%

// LIQUIDATION_FEE 1.5%
uint16 constant DEFAULT_FEE_LIQUIDATION = 1_50; // 1.5%

// LIQUIDATION PREMIUM 4%
uint16 constant DEFAULT_LIQUIDATION_PREMIUM = 4_00; // 4%

// LIQUIDATION_FEE_EXPIRED 2%
uint16 constant DEFAULT_FEE_LIQUIDATION_EXPIRED = 1_00; // 2%

// LIQUIDATION PREMIUM EXPIRED 2%
uint16 constant DEFAULT_LIQUIDATION_PREMIUM_EXPIRED = 2_00; // 2%

// DEFAULT PROPORTION OF MAX BORROWED PER BLOCK TO MAX BORROWED PER ACCOUNT
uint16 constant DEFAULT_LIMIT_PER_BLOCK_MULTIPLIER = 2;

// Seconds in a year
uint256 constant SECONDS_PER_YEAR = 365 days;
uint256 constant SECONDS_PER_ONE_AND_HALF_YEAR = (SECONDS_PER_YEAR * 3) / 2;

// OPERATIONS

// Leverage decimals - 100 is equal to 2x leverage (100% * collateral amount + 100% * borrowed amount)
uint8 constant LEVERAGE_DECIMALS = 100;

// Maximum withdraw fee for pool in PERCENTAGE_FACTOR format
uint8 constant MAX_WITHDRAW_FEE = 100;

uint256 constant EXACT_INPUT = 1;
uint256 constant EXACT_OUTPUT = 2;

address constant UNIVERSAL_CONTRACT = 0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC;

File 7 of 9 : ICreditManagerV2.sol
// SPDX-License-Identifier: MIT
// Gearbox Protocol. Generalized leverage for DeFi protocols
// (c) Gearbox Holdings, 2022
pragma solidity ^0.8.10;

import { IPriceOracleV2 } from "./IPriceOracle.sol";
import { IVersion } from "./IVersion.sol";

enum ClosureAction {
    CLOSE_ACCOUNT,
    LIQUIDATE_ACCOUNT,
    LIQUIDATE_EXPIRED_ACCOUNT,
    LIQUIDATE_PAUSED
}

interface ICreditManagerV2Events {
    /// @dev Emits when a call to an external contract is made through the Credit Manager
    event ExecuteOrder(address indexed borrower, address indexed target);

    /// @dev Emits when a configurator is upgraded
    event NewConfigurator(address indexed newConfigurator);
}

interface ICreditManagerV2Exceptions {
    /// @dev Thrown if an access-restricted function is called by an address that is not
    ///      the connected Credit Facade, or an allowed adapter
    error AdaptersOrCreditFacadeOnlyException();

    /// @dev Thrown if an access-restricted function is called by an address that is not
    ///      the connected Credit Facade
    error CreditFacadeOnlyException();

    /// @dev Thrown if an access-restricted function is called by an address that is not
    ///      the connected Credit Configurator
    error CreditConfiguratorOnlyException();

    /// @dev Thrown on attempting to open a Credit Account for or transfer a Credit Account
    ///      to the zero address or an address that already owns a Credit Account
    error ZeroAddressOrUserAlreadyHasAccountException();

    /// @dev Thrown on attempting to execute an order to an address that is not an allowed
    ///      target contract
    error TargetContractNotAllowedException();

    /// @dev Thrown on failing a full collateral check after an operation
    error NotEnoughCollateralException();

    /// @dev Thrown on attempting to receive a token that is not a collateral token
    ///      or was forbidden
    error TokenNotAllowedException();

    /// @dev Thrown if an attempt to approve a collateral token to a target contract failed
    error AllowanceFailedException();

    /// @dev Thrown on attempting to perform an action for an address that owns no Credit Account
    error HasNoOpenedAccountException();

    /// @dev Thrown on attempting to add a token that is already in a collateral list
    error TokenAlreadyAddedException();

    /// @dev Thrown on configurator attempting to add more than 256 collateral tokens
    error TooManyTokensException();

    /// @dev Thrown if more than the maximal number of tokens were enabled on a Credit Account,
    ///      and there are not enough unused token to disable
    error TooManyEnabledTokensException();

    /// @dev Thrown when a reentrancy into the contract is attempted
    error ReentrancyLockException();
}

/// @notice All Credit Manager functions are access-restricted and can only be called
///         by the Credit Facade or allowed adapters. Users are not allowed to
///         interact with the Credit Manager directly
interface ICreditManagerV2 is
    ICreditManagerV2Events,
    ICreditManagerV2Exceptions,
    IVersion
{
    //
    // CREDIT ACCOUNT MANAGEMENT
    //

    ///  @dev Opens credit account and borrows funds from the pool.
    /// - Takes Credit Account from the factory;
    /// - Requests the pool to lend underlying to the Credit Account
    ///
    /// @param borrowedAmount Amount to be borrowed by the Credit Account
    /// @param onBehalfOf The owner of the newly opened Credit Account
    function openCreditAccount(uint256 borrowedAmount, address onBehalfOf)
        external
        returns (address);

    ///  @dev Closes a Credit Account - covers both normal closure and liquidation
    /// - Checks whether the contract is paused, and, if so, if the payer is an emergency liquidator.
    ///   Only emergency liquidators are able to liquidate account while the CM is paused.
    ///   Emergency liquidations do not pay a liquidator premium or liquidation fees.
    /// - Calculates payments to various recipients on closure:
    ///    + Computes amountToPool, which is the amount to be sent back to the pool.
    ///      This includes the principal, interest and fees, but can't be more than
    ///      total position value
    ///    + Computes remainingFunds during liquidations - these are leftover funds
    ///      after paying the pool and the liquidator, and are sent to the borrower
    ///    + Computes protocol profit, which includes interest and liquidation fees
    ///    + Computes loss if the totalValue is less than borrow amount + interest
    /// - Checks the underlying token balance:
    ///    + if it is larger than amountToPool, then the pool is paid fully from funds on the Credit Account
    ///    + else tries to transfer the shortfall from the payer - either the borrower during closure, or liquidator during liquidation
    /// - Send assets to the "to" address, as long as they are not included into skipTokenMask
    /// - If convertWETH is true, the function converts WETH into ETH before sending
    /// - Returns the Credit Account back to factory
    ///
    /// @param borrower Borrower address
    /// @param closureActionType Whether the account is closed, liquidated or liquidated due to expiry
    /// @param totalValue Portfolio value for liqution, 0 for ordinary closure
    /// @param payer Address which would be charged if credit account has not enough funds to cover amountToPool
    /// @param to Address to which the leftover funds will be sent
    /// @param skipTokenMask Tokenmask contains 1 for tokens which needed to be skipped for sending
    /// @param convertWETH If true converts WETH to ETH
    function closeCreditAccount(
        address borrower,
        ClosureAction closureActionType,
        uint256 totalValue,
        address payer,
        address to,
        uint256 skipTokenMask,
        bool convertWETH
    ) external returns (uint256 remainingFunds);

    /// @dev Manages debt size for borrower:
    ///
    /// - Increase debt:
    ///   + Increases debt by transferring funds from the pool to the credit account
    ///   + Updates the cumulative index to keep interest the same. Since interest
    ///     is always computed dynamically as borrowedAmount * (cumulativeIndexNew / cumulativeIndexOpen - 1),
    ///     cumulativeIndexOpen needs to be updated, as the borrow amount has changed
    ///
    /// - Decrease debt:
    ///   + Repays debt partially + all interest and fees accrued thus far
    ///   + Updates cunulativeIndex to cumulativeIndex now
    ///
    /// @param creditAccount Address of the Credit Account to change debt for
    /// @param amount Amount to increase / decrease the principal by
    /// @param increase True to increase principal, false to decrease
    /// @return newBorrowedAmount The new debt principal
    function manageDebt(
        address creditAccount,
        uint256 amount,
        bool increase
    ) external returns (uint256 newBorrowedAmount);

    /// @dev Adds collateral to borrower's credit account
    /// @param payer Address of the account which will be charged to provide additional collateral
    /// @param creditAccount Address of the Credit Account
    /// @param token Collateral token to add
    /// @param amount Amount to add
    function addCollateral(
        address payer,
        address creditAccount,
        address token,
        uint256 amount
    ) external;

    /// @dev Transfers Credit Account ownership to another address
    /// @param from Address of previous owner
    /// @param to Address of new owner
    function transferAccountOwnership(address from, address to) external;

    /// @dev Requests the Credit Account to approve a collateral token to another contract.
    /// @param borrower Borrower's address
    /// @param targetContract Spender to change allowance for
    /// @param token Collateral token to approve
    /// @param amount New allowance amount
    function approveCreditAccount(
        address borrower,
        address targetContract,
        address token,
        uint256 amount
    ) external;

    /// @dev Requests a Credit Account to make a low-level call with provided data
    /// This is the intended pathway for state-changing interactions with 3rd-party protocols
    /// @param borrower Borrower's address
    /// @param targetContract Contract to be called
    /// @param data Data to pass with the call
    function executeOrder(
        address borrower,
        address targetContract,
        bytes memory data
    ) external returns (bytes memory);

    //
    // COLLATERAL VALIDITY AND ACCOUNT HEALTH CHECKS
    //

    /// @dev Enables a token on a Credit Account, including it
    /// into account health and total value calculations
    /// @param creditAccount Address of a Credit Account to enable the token for
    /// @param token Address of the token to be enabled
    function checkAndEnableToken(address creditAccount, address token) external;

    /// @dev Optimized health check for individual swap-like operations.
    /// @notice Fast health check assumes that only two tokens (input and output)
    ///         participate in the operation and computes a % change in weighted value between
    ///         inbound and outbound collateral. The cumulative negative change across several
    ///         swaps in sequence cannot be larger than feeLiquidation (a fee that the
    ///         protocol is ready to waive if needed). Since this records a % change
    ///         between just two tokens, the corresponding % change in TWV will always be smaller,
    ///         which makes this check safe.
    ///         More details at https://dev.gearbox.fi/docs/documentation/risk/fast-collateral-check#fast-check-protection
    /// @param creditAccount Address of the Credit Account
    /// @param tokenIn Address of the token spent by the swap
    /// @param tokenOut Address of the token received from the swap
    /// @param balanceInBefore Balance of tokenIn before the operation
    /// @param balanceOutBefore Balance of tokenOut before the operation
    function fastCollateralCheck(
        address creditAccount,
        address tokenIn,
        address tokenOut,
        uint256 balanceInBefore,
        uint256 balanceOutBefore
    ) external;

    /// @dev Performs a full health check on an account, summing up
    /// value of all enabled collateral tokens
    /// @param creditAccount Address of the Credit Account to check
    function fullCollateralCheck(address creditAccount) external;

    /// @dev Checks that the number of enabled tokens on a Credit Account
    ///      does not violate the maximal enabled token limit and tries
    ///      to disable unused tokens if it does
    /// @param creditAccount Account to check enabled tokens for
    function checkAndOptimizeEnabledTokens(address creditAccount) external;

    /// @dev Disables a token on a credit account
    /// @notice Usually called by adapters to disable spent tokens during a multicall,
    ///         but can also be called separately from the Credit Facade to remove
    ///         unwanted tokens
    /// @return True if token mask was change otherwise False
    function disableToken(address creditAccount, address token)
        external
        returns (bool);

    //
    // GETTERS
    //

    /// @dev Returns the address of a borrower's Credit Account, or reverts if there is none.
    /// @param borrower Borrower's address
    function getCreditAccountOrRevert(address borrower)
        external
        view
        returns (address);

    /// @dev Computes amounts that must be sent to various addresses before closing an account
    /// @param totalValue Credit Accounts total value in underlying
    /// @param closureActionType Type of account closure
    ///        * CLOSE_ACCOUNT: The account is healthy and is closed normally
    ///        * LIQUIDATE_ACCOUNT: The account is unhealthy and is being liquidated to avoid bad debt
    ///        * LIQUIDATE_EXPIRED_ACCOUNT: The account has expired and is being liquidated (lowered liquidation premium)
    ///        * LIQUIDATE_PAUSED: The account is liquidated while the system is paused due to emergency (no liquidation premium)
    /// @param borrowedAmount Credit Account's debt principal
    /// @param borrowedAmountWithInterest Credit Account's debt principal + interest
    /// @return amountToPool Amount of underlying to be sent to the pool
    /// @return remainingFunds Amount of underlying to be sent to the borrower (only applicable to liquidations)
    /// @return profit Protocol's profit from fees (if any)
    /// @return loss Protocol's loss from bad debt (if any)
    function calcClosePayments(
        uint256 totalValue,
        ClosureAction closureActionType,
        uint256 borrowedAmount,
        uint256 borrowedAmountWithInterest
    )
        external
        view
        returns (
            uint256 amountToPool,
            uint256 remainingFunds,
            uint256 profit,
            uint256 loss
        );

    /// @dev Calculates the debt accrued by a Credit Account
    /// @param creditAccount Address of the Credit Account
    /// @return borrowedAmount The debt principal
    /// @return borrowedAmountWithInterest The debt principal + accrued interest
    /// @return borrowedAmountWithInterestAndFees The debt principal + accrued interest and protocol fees
    function calcCreditAccountAccruedInterest(address creditAccount)
        external
        view
        returns (
            uint256 borrowedAmount,
            uint256 borrowedAmountWithInterest,
            uint256 borrowedAmountWithInterestAndFees
        );

    /// @dev Maps Credit Accounts to bit masks encoding their enabled token sets
    /// Only enabled tokens are counted as collateral for the Credit Account
    /// @notice An enabled token mask encodes an enabled token by setting
    ///         the bit at the position equal to token's index to 1
    function enabledTokensMap(address creditAccount)
        external
        view
        returns (uint256);

    /// @dev Maps the Credit Account to its current percentage drop across all swaps since
    ///      the last full check, in RAY format
    function cumulativeDropAtFastCheckRAY(address creditAccount)
        external
        view
        returns (uint256);

    /// @dev Returns the collateral token at requested index and its liquidation threshold
    /// @param id The index of token to return
    function collateralTokens(uint256 id)
        external
        view
        returns (address token, uint16 liquidationThreshold);

    /// @dev Returns the collateral token with requested mask and its liquidationThreshold
    /// @param tokenMask Token mask corresponding to the token
    function collateralTokensByMask(uint256 tokenMask)
        external
        view
        returns (address token, uint16 liquidationThreshold);

    /// @dev Total number of known collateral tokens.
    function collateralTokensCount() external view returns (uint256);

    /// @dev Returns the mask for the provided token
    /// @param token Token to returns the mask for
    function tokenMasksMap(address token) external view returns (uint256);

    /// @dev Bit mask encoding a set of forbidden tokens
    function forbiddenTokenMask() external view returns (uint256);

    /// @dev Maps allowed adapters to their respective target contracts.
    function adapterToContract(address adapter) external view returns (address);

    /// @dev Maps 3rd party contracts to their respective adapters
    function contractToAdapter(address targetContract)
        external
        view
        returns (address);

    /// @dev Address of the underlying asset
    function underlying() external view returns (address);

    /// @dev Address of the connected pool
    function pool() external view returns (address);

    /// @dev Address of the connected pool
    /// @notice [DEPRECATED]: use pool() instead.
    function poolService() external view returns (address);

    /// @dev A map from borrower addresses to Credit Account addresses
    function creditAccounts(address borrower) external view returns (address);

    /// @dev Address of the connected Credit Configurator
    function creditConfigurator() external view returns (address);

    /// @dev Address of WETH
    function wethAddress() external view returns (address);

    /// @dev Returns the liquidation threshold for the provided token
    /// @param token Token to retrieve the LT for
    function liquidationThresholds(address token)
        external
        view
        returns (uint16);

    /// @dev The maximal number of enabled tokens on a single Credit Account
    function maxAllowedEnabledTokenLength() external view returns (uint8);

    /// @dev Maps addresses to their status as emergency liquidator.
    /// @notice Emergency liquidators are trusted addresses
    /// that are able to liquidate positions while the contracts are paused,
    /// e.g. when there is a risk of bad debt while an exploit is being patched.
    /// In the interest of fairness, emergency liquidators do not receive a premium
    /// And are compensated by the Gearbox DAO separately.
    function canLiquidateWhilePaused(address) external view returns (bool);

    /// @dev Returns the fee parameters of the Credit Manager
    /// @return feeInterest Percentage of interest taken by the protocol as profit
    /// @return feeLiquidation Percentage of account value taken by the protocol as profit
    ///         during unhealthy account liquidations
    /// @return liquidationDiscount Multiplier that reduces the effective totalValue during unhealthy account liquidations,
    ///         allowing the liquidator to take the unaccounted for remainder as premium. Equal to (1 - liquidationPremium)
    /// @return feeLiquidationExpired Percentage of account value taken by the protocol as profit
    ///         during expired account liquidations
    /// @return liquidationDiscountExpired Multiplier that reduces the effective totalValue during expired account liquidations,
    ///         allowing the liquidator to take the unaccounted for remainder as premium. Equal to (1 - liquidationPremiumExpired)
    function fees()
        external
        view
        returns (
            uint16 feeInterest,
            uint16 feeLiquidation,
            uint16 liquidationDiscount,
            uint16 feeLiquidationExpired,
            uint16 liquidationDiscountExpired
        );

    /// @dev Address of the connected Credit Facade
    function creditFacade() external view returns (address);

    /// @dev Address of the connected Price Oracle
    function priceOracle() external view returns (IPriceOracleV2);

    /// @dev Address of the universal adapter
    function universalAdapter() external view returns (address);

    /// @dev Contract's version
    function version() external view returns (uint256);

    /// @dev Paused() state
    function checkEmergencyPausable(address caller, bool state)
        external
        returns (bool);
}

File 8 of 9 : IPriceOracle.sol
// SPDX-License-Identifier: MIT
// Gearbox Protocol. Generalized leverage for DeFi protocols
// (c) Gearbox Holdings, 2022
pragma solidity ^0.8.10;
import { IVersion } from "./IVersion.sol";

interface IPriceOracleV2Events {
    /// @dev Emits when a new price feed is added
    event NewPriceFeed(address indexed token, address indexed priceFeed);
}

interface IPriceOracleV2Exceptions {
    /// @dev Thrown if a price feed returns 0
    error ZeroPriceException();

    /// @dev Thrown if the last recorded result was not updated in the last round
    error ChainPriceStaleException();

    /// @dev Thrown on attempting to get a result for a token that does not have a price feed
    error PriceOracleNotExistsException();
}

/// @title Price oracle interface
interface IPriceOracleV2 is
    IPriceOracleV2Events,
    IPriceOracleV2Exceptions,
    IVersion
{
    /// @dev Converts a quantity of an asset to USD (decimals = 8).
    /// @param amount Amount to convert
    /// @param token Address of the token to be converted
    function convertToUSD(uint256 amount, address token)
        external
        view
        returns (uint256);

    /// @dev Converts a quantity of USD (decimals = 8) to an equivalent amount of an asset
    /// @param amount Amount to convert
    /// @param token Address of the token converted to
    function convertFromUSD(uint256 amount, address token)
        external
        view
        returns (uint256);

    /// @dev Converts one asset into another
    ///
    /// @param amount Amount to convert
    /// @param tokenFrom Address of the token to convert from
    /// @param tokenTo Address of the token to convert to
    function convert(
        uint256 amount,
        address tokenFrom,
        address tokenTo
    ) external view returns (uint256);

    /// @dev Returns collateral values for two tokens, required for a fast check
    /// @param amountFrom Amount of the outbound token
    /// @param tokenFrom Address of the outbound token
    /// @param amountTo Amount of the inbound token
    /// @param tokenTo Address of the inbound token
    /// @return collateralFrom Value of the outbound token amount in USD
    /// @return collateralTo Value of the inbound token amount in USD
    function fastCheck(
        uint256 amountFrom,
        address tokenFrom,
        uint256 amountTo,
        address tokenTo
    ) external view returns (uint256 collateralFrom, uint256 collateralTo);

    /// @dev Returns token's price in USD (8 decimals)
    /// @param token The token to compute the price for
    function getPrice(address token) external view returns (uint256);

    /// @dev Returns the price feed address for the passed token
    /// @param token Token to get the price feed for
    function priceFeeds(address token)
        external
        view
        returns (address priceFeed);

    /// @dev Returns the price feed for the passed token,
    ///      with additional parameters
    /// @param token Token to get the price feed for
    function priceFeedsWithFlags(address token)
        external
        view
        returns (
            address priceFeed,
            bool skipCheck,
            uint256 decimals
        );
}

interface IPriceOracleV2Ext is IPriceOracleV2 {
    /// @dev Sets a price feed if it doesn't exist, or updates an existing one
    /// @param token Address of the token to set the price feed for
    /// @param priceFeed Address of a USD price feed adhering to Chainlink's interface
    function addPriceFeed(address token, address priceFeed) external;
}

File 9 of 9 : IVersion.sol
// SPDX-License-Identifier: MIT
// Gearbox Protocol. Generalized leverage for DeFi protocols
// (c) Gearbox Holdings, 2022
pragma solidity ^0.8.10;

/// @title IVersion
/// @dev Declares a version function which returns the contract's version
interface IVersion {
    /// @dev Returns contract version
    function version() external view returns (uint256);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_creditManager","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"TokenIsNotInAllowedList","type":"error"},{"inputs":[{"internalType":"address","name":"expected","type":"address"},{"internalType":"address","name":"actual","type":"address"}],"name":"UnexpectedCreditAccountException","type":"error"},{"inputs":[],"name":"ZeroAddressException","type":"error"},{"inputs":[],"name":"_gearboxAdapterType","outputs":[{"internalType":"enum AdapterType","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_gearboxAdapterVersion","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"creditFacade","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"creditManager","outputs":[{"internalType":"contract ICreditManagerV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"address","name":"token","type":"address"}],"internalType":"struct RevocationPair[]","name":"revocations","type":"tuple[]"}],"name":"revokeAdapterAllowances","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"address","name":"token","type":"address"}],"internalType":"struct RevocationPair[]","name":"revocations","type":"tuple[]"},{"internalType":"address","name":"expectedCreditAccount","type":"address"}],"name":"revokeAdapterAllowances","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"targetContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.